48
heart rate monitor
Skip itSoft demand (-11.3% this quarter) — this niche doesn't clear our bar today.
Avg price
Great£48.68avg listing price — sweet spot $15–$100
Returns
Great1.6%return rate — above 5% kills the launch gate
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Great£9.95–£118.34cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good£555K£555K/yr · 363K searches
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Review moat
Bad6,421.41avg incumbent reviews — the moat a new listing must climb
Competition
Bad73%top-5 click share — a locked-up shelf
Brand share
Bad92%top-5 brand share — brand-locked demand
Growth
Bad-11.3%90-day search growth — must beat 0% to launch